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Water

CAS 117318-92-0 · 40/100 · High conf.

Also registered as 7 other CAS numbers

558440-22-5 · 558440-53-2 · 652133-48-7 · 1202864-49-0 · 1371582-34-1 · 2886715-16-6 · 7732-18-5

Water chemical structure

Concern score

40/100Moderate concern based on regulatory listings.
High confidence

Water in plain language

What it is

On cosmetic ingredient lists it appears as “Aqua”.

Also known as Aqua · Purified water · Deionized water · Distilled water · Sanitized water · Water purified

Show all 48 names

Aqua wildbad · Adelheid aqua · Aqua adelheid · Aquafina · Ultrex ii ultrapure · Water/eau/aqua · Wildbad aqua · oxidane · Acrylic copolymer · Craon 17-502 · Dhmo · Dihydrogen oxide · DRiWATER · De-ionized water · Dihydrogen Monoxide · H20 · Hydrogen oxide (H2O) · Hydrogen Oxide · R-718 · Water; onsen-sui · Water - Remaining % · Water vapor · mineral Water · steam · water (deionized or distilled) · Adelheidsquelle · Aqua wiesbaden · Bacteriostatic water for injection · Sterile purified water · Sterile water for inhalation · Sterile water for injection · Sterile water for irrigation · Water for hemodialysis · Water for injection · Aqueous solution · Sterile water · Sterile water for injections · Water for injections · Purified sterile water · Bacteriostatic injection water · Bacteriostatic water · Wiesbaden aqua

What it does

Used in cosmetics as a solvent, a skin-conditioning agent and an antiplaque.

  • Solvent
  • Skin conditioning
  • Antiplaque
  • Conditioner
Is it a concern?
Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 70443 composition records across product categories including Cleaning and safety, Personal care, Cleaning products and household care.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Water appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUCosIngActive2 entries
  • EUEFSAEFSA opinion2 entries
    • Scientific Opinion on the safety evaluation of the active substances, activated carbon, water, iron powder, kaolin calcined, sulphur and sodium chloride for use as active component in food contact materials (EFSA CEF)Source →
    • Scientific Opinion on the evaluation of the substances currently on the list in the annex to Commission Directive 96/3/EC as acceptable previous cargoes for edible fats and oils - Part II of III (EFSA CONTAM)Source →
  • USFDAlisted in openFDA substance2 entries
    • openFDA substance registry classifies this ingredient as concept.Source →
    • openFDA substance registry classifies this ingredient as chemical.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 70443 composition records across product categories including Cleaning and safety, Personal care, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Solvent, Diluent, Processing aids not otherwise specified.
    • EPA CPDat observed this chemical in 70443 composition records across product categories including Cleaning and safety, Personal care, Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Solvent, Diluent, Processing aids not otherwise specified.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 132 active drug products and 159 total products.
    • FDA NDC lists this ingredient in 132 active drug products and 159 total products.Source →
  • USUSDA FoodData Centralobserved in branded food ingredient statementsObserved in 7 USDA branded foods including 1.5OZ LITEHOUSE BALSAMIC VINAIGRETTE, 1.5OZ LITEHOUSE CHUNKY BLUE CHEESE DRESSING, 1.5OZ LITEHOUSE JALAPENO RANCH DRESSING.
    • Observed in 7 USDA branded foods including 1.5OZ LITEHOUSE BALSAMIC VINAIGRETTE, 1.5OZ LITEHOUSE CHUNKY BLUE CHEESE DRESSING, 1.5OZ LITEHOUSE JALAPENO RANCH DRESSING.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • EFSA

    European Food Safety Authority

    • Scientific Opinion on the safety evaluation of the active substances, activated carbon, water, iron powder, kaolin calcined, sulphur and sodium chloride for use as active component in food contact materials (EFSA CEF)

      2012 · EU EFSA listing · Read the source →

    • Scientific Opinion on the evaluation of the substances currently on the list in the annex to Commission Directive 96/3/EC as acceptable previous cargoes for edible fats and oils - Part II of III (EFSA CONTAM)

      2012 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for Water yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

10 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →
  • EPA Chemical and Products Database

    exposure · updated september 9, 2014

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA National Drug Code Directory

    regulatory · updated 2028-03-09

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem

    chemistry · updated 2026-01-15

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →
  • USDA Branded Foods

    product_occurrence · updated 2026-02-19

    Open →
Reference links (4)
Openfda substance

dailymed.nlm.nih.gov

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Water in a product composition. These are source records, not Greenveil catalog products.

Source records

70,443

Named organisations

6

Cleaning and safetyPersonal careCleaning products and household careIndustrial productsConstruction and building materialsRaw materials

Typical roles

SolventSkin conditioningAntiplaqueConditioner
See products using Water →

Catalog

Found in these products

Their ingredient lists include Water; each product's own rating depends on its whole formula, so it is shown on the product page, not here.